diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v3_1.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v3_1.c | 86 |
1 files changed, 45 insertions, 41 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c index c3588d1c7cb0..60a6407ba267 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c @@ -166,11 +166,8 @@ int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp) { int ret; uint32_t psp_gfxdrv_command_reg = 0; - struct amdgpu_bo *psp_sysdrv; - void *psp_sysdrv_virt = NULL; - uint64_t psp_sysdrv_mem; struct amdgpu_device *adev = psp->adev; - uint32_t size, sol_reg; + uint32_t sol_reg; /* Check sOS sign of life register to confirm sys driver and sOS * are already been loaded. @@ -185,27 +182,14 @@ int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp) if (ret) return ret; - /* - * Create a 1 meg GART memory to store the psp sys driver - * binary with a 1 meg aligned address - */ - size = (psp->sys_bin_size + (PSP_BOOTLOADER_1_MEG_ALIGNMENT - 1)) & - (~(PSP_BOOTLOADER_1_MEG_ALIGNMENT - 1)); - - ret = amdgpu_bo_create_kernel(adev, size, PSP_BOOTLOADER_1_MEG_ALIGNMENT, - AMDGPU_GEM_DOMAIN_GTT, - &psp_sysdrv, - &psp_sysdrv_mem, - &psp_sysdrv_virt); - if (ret) - return ret; + memset(psp->fw_pri_buf, 0, PSP_1_MEG); /* Copy PSP System Driver binary to memory */ - memcpy(psp_sysdrv_virt, psp->sys_start_addr, psp->sys_bin_size); + memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size); /* Provide the sys driver to bootrom */ WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_36), - (uint32_t)(psp_sysdrv_mem >> 20)); + (uint32_t)(psp->fw_pri_mc_addr >> 20)); psp_gfxdrv_command_reg = 1 << 16; WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), psp_gfxdrv_command_reg); @@ -216,8 +200,6 @@ int psp_v3_1_bootloader_load_sysdrv(struct psp_context *psp) ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), 0x80000000, 0x80000000, false); - amdgpu_bo_free_kernel(&psp_sysdrv, &psp_sysdrv_mem, &psp_sysdrv_virt); - return ret; } @@ -225,11 +207,8 @@ int psp_v3_1_bootloader_load_sos(struct psp_context *psp) { int ret; unsigned int psp_gfxdrv_command_reg = 0; - struct amdgpu_bo *psp_sos; - void *psp_sos_virt = NULL; - uint64_t psp_sos_mem; struct amdgpu_device *adev = psp->adev; - uint32_t size, sol_reg; + uint32_t sol_reg; /* Check sOS sign of life register to confirm sys driver and sOS * are already been loaded. @@ -244,23 +223,14 @@ int psp_v3_1_bootloader_load_sos(struct psp_context *psp) if (ret) return ret; - size = (psp->sos_bin_size + (PSP_BOOTLOADER_1_MEG_ALIGNMENT - 1)) & - (~((uint64_t)PSP_BOOTLOADER_1_MEG_ALIGNMENT - 1)); - - ret = amdgpu_bo_create_kernel(adev, size, PSP_BOOTLOADER_1_MEG_ALIGNMENT, - AMDGPU_GEM_DOMAIN_GTT, - &psp_sos, - &psp_sos_mem, - &psp_sos_virt); - if (ret) - return ret; + memset(psp->fw_pri_buf, 0, PSP_1_MEG); /* Copy Secure OS binary to PSP memory */ - memcpy(psp_sos_virt, psp->sos_start_addr, psp->sos_bin_size); + memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size); /* Provide the PSP secure OS to bootrom */ WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_36), - (uint32_t)(psp_sos_mem >> 20)); + (uint32_t)(psp->fw_pri_mc_addr >> 20)); psp_gfxdrv_command_reg = 2 << 16; WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), psp_gfxdrv_command_reg); @@ -273,8 +243,6 @@ int psp_v3_1_bootloader_load_sos(struct psp_context *psp) 0, true); #endif - amdgpu_bo_free_kernel(&psp_sos, &psp_sos_mem, &psp_sos_virt); - return ret; } @@ -300,7 +268,6 @@ int psp_v3_1_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd int psp_v3_1_ring_init(struct psp_context *psp, enum psp_ring_type ring_type) { int ret = 0; - unsigned int psp_ring_reg = 0; struct psp_ring *ring; struct amdgpu_device *adev = psp->adev; @@ -320,6 +287,16 @@ int psp_v3_1_ring_init(struct psp_context *psp, enum psp_ring_type ring_type) return ret; } + return 0; +} + +int psp_v3_1_ring_create(struct psp_context *psp, enum psp_ring_type ring_type) +{ + int ret = 0; + unsigned int psp_ring_reg = 0; + struct psp_ring *ring = &psp->km_ring; + struct amdgpu_device *adev = psp->adev; + /* Write low address of the ring to C2PMSG_69 */ psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr); WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_69), psp_ring_reg); @@ -344,6 +321,33 @@ int psp_v3_1_ring_init(struct psp_context *psp, enum psp_ring_type ring_type) return ret; } +int psp_v3_1_ring_destroy(struct psp_context *psp, enum psp_ring_type ring_type) +{ + int ret = 0; + struct psp_ring *ring; + unsigned int psp_ring_reg = 0; + struct amdgpu_device *adev = psp->adev; + + ring = &psp->km_ring; + + /* Write the ring destroy command to C2PMSG_64 */ + psp_ring_reg = 3 << 16; + WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), psp_ring_reg); + + /* there might be handshake issue with hardware which needs delay */ + mdelay(20); + + /* Wait for response flag (bit 31) in C2PMSG_64 */ + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), + 0x80000000, 0x80000000, false); + + if (ring->ring_mem) + amdgpu_bo_free_kernel(&adev->firmware.rbuf, + &ring->ring_mem_mc_addr, + (void **)&ring->ring_mem); + return ret; +} + int psp_v3_1_cmd_submit(struct psp_context *psp, struct amdgpu_firmware_info *ucode, uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr, |